The protection of forests from damage is basic in the practice of forestry. Among the destructive agents, insects rank with fire, diseases, and wind. Many kinds of insects are constantly at work in the forest and cause a steady drain on timber supplies. A relatively few species of insects periodically become epidemic and kill forest trees on extensive areas, causing great economic losses
Insects are the major pest in tropical trees. A look at the factors influencing them; the types of i...
Ecological disturbances of forests by insects have a complex array of associated human dimensions pr...
Fire, insects, and diseases are natural, integrated components of western forests in North America (...
Correct identification of insects and diseases, whether in the forest or the nursery, is essential t...
MANY different types of wood boring beetles are associated with timber and forest trees. Some attack...
Published November 1998. Reviewed September 2014. Please check for active titles in the OSU Extensio...
This report provides forest management guidelines for minimizing the impact of insects and diseases ...
Mimeographed copy.Bibliography: v.1, 1. l. 197-217.Pt.I. The order Coleoptera.--Pt.II. Lepidoptera, ...
Forests have been decreasing in number and volume constantly since the oldest detectable date. Altho...
TWO native caterpillars which sometimes attract attention are the larvae of the tnssock moth and the...
one of tne most destructive insects which infest trie ponderosa pine forests. This insect is called ...
Forest protection is a practice of preventing and controlling both biotic and abiotic agents, which ...
THE group of beetles commonly known as weevils contains some of the most troublesome of all insect p...
1 Natural and recurring disturbances caused by fire, native forest insects and pathogens have intera...
Nonindigenous forest insects and pathogens affect a range of ecosystems, industries, and property ow...
Insects are the major pest in tropical trees. A look at the factors influencing them; the types of i...
Ecological disturbances of forests by insects have a complex array of associated human dimensions pr...
Fire, insects, and diseases are natural, integrated components of western forests in North America (...
Correct identification of insects and diseases, whether in the forest or the nursery, is essential t...
MANY different types of wood boring beetles are associated with timber and forest trees. Some attack...
Published November 1998. Reviewed September 2014. Please check for active titles in the OSU Extensio...
This report provides forest management guidelines for minimizing the impact of insects and diseases ...
Mimeographed copy.Bibliography: v.1, 1. l. 197-217.Pt.I. The order Coleoptera.--Pt.II. Lepidoptera, ...
Forests have been decreasing in number and volume constantly since the oldest detectable date. Altho...
TWO native caterpillars which sometimes attract attention are the larvae of the tnssock moth and the...
one of tne most destructive insects which infest trie ponderosa pine forests. This insect is called ...
Forest protection is a practice of preventing and controlling both biotic and abiotic agents, which ...
THE group of beetles commonly known as weevils contains some of the most troublesome of all insect p...
1 Natural and recurring disturbances caused by fire, native forest insects and pathogens have intera...
Nonindigenous forest insects and pathogens affect a range of ecosystems, industries, and property ow...
Insects are the major pest in tropical trees. A look at the factors influencing them; the types of i...
Ecological disturbances of forests by insects have a complex array of associated human dimensions pr...
Fire, insects, and diseases are natural, integrated components of western forests in North America (...